English-Thai Dictionary
octahedron
N รูป แปด ด้าน rub-ped-dan
Webster's 1828 Dictionary
OCTAHEDRON
n.[Gr. eight and a base. ] In geometry, a solid contained by eight equal and equilateral triangles. it is one of the five regular bodies.
Webster's 1913 Dictionary
OCTAHEDRON
Oc `ta *he "dron, n. Etym: [Gr. (Geom.)
Defn: A solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.
New American Oxford Dictionary
octahedron
oc ta he dron |ˌäktəˈhēdrən ˌɑktəˈhidrən | ▶noun ( pl. octahedrons or octahedra |-drə | ) a three-dimensional shape having eight plane faces, esp. a regular solid figure with eight equal triangular faces. • a body, esp. a crystal, in the form of a regular octahedron. DERIVATIVES oc ta he dral |-drəl |adjective ORIGIN late 16th cent.: from Greek oktaedron, neuter (used as a noun ) of oktaedros ‘eight-faced. ’
Oxford Dictionary
octahedron
octahedron |ˌɒktəˈhiːdrən, -ˈhɛd -| ▶noun ( pl. octahedra |-drə | or octahedrons ) a three-dimensional shape having eight plane faces, especially a regular solid figure with eight equal triangular faces. • a body, especially a crystal, in the form of a regular octahedron. DERIVATIVES octahedral adjective ORIGIN late 16th cent.: from Greek oktaedron, neuter (used as a noun ) of oktaedros ‘eight-faced ’.
The Wordsmith Dictionary